1
Surpahs DS1 Dual-S Digital Body Fat Scale
User Manual (V1.0)
The user manual can be downloaded through Surpahs website at http://www.surpahs.com
Scan for shopping and support:
www.surpahs.com
®
®
SPECIFICATIONS/FEATURES
Dimension 280x245x23mm / 11x9.6x0.6 inches
Turn On Method Sense-ON (Stand on the platform directly)
Display Blue LCD with White Backlight
Weight Capacity 150 kg / 330 lb
Weight Unit kg /lb
Weight Graduation 0.1 kg / 0.2 lb
Body Fat Graduation 0.1% (in the range of 5% - 80%)
Height Range 100-220 cm / 3’ 3.5” - 7’ 2.5”
Age Range 10 - 85 years old
User Profiles 4 Users
Athlete mode
Accuracy 2.5-50kg (5.5-110lb): ±0.3kg (0.66 lb)
50-100kg (110-220lb): ±0.4kg (0.88 lb)
100-150kg (220-330lb): ±0.5kg (1.10 lb)
Power 6V (4xAAA batteries)
Auto Turn OFF About 10 seconds after LCD displays “0.0”
About 15 seconds after result is locked, or weight is unstable
NOTE: This device is a personal monitor and should be used in a consistent manner for the
most accurate readings. While readings of this analyzer might be different than that of other
scales (hydro-densitometry or hand held calipers), your changes in body fat percentage shown
by this scale will be reflected accurately.
IMPORTANT: The information provided by this device is NOT meant to treat, cure, or prevent
any disease or illness. This device should NOT be used by anyone who is acutely or chronically
ill, suffering from a disease, or taking medications that affect your water levels. The accuracy of
readings for these patients has not been verified. Specific medical advice should be obtained
from a physician.
CAUTION: This scale is NOT intended for use by pregnant women. Although the age range of
this scale is between 10 and 85, it is NOT intended for use by children under the age of 18.
It should also NOT be used by anyone with an implanted medical device (such as a pacemaker,
metal plates or screws; or contraceptive devices). If in doubt, contact your physician.
This analyzer will work accurately as a scale for anyone, within the specifications and warnings
noted above, and give accurate body fat results for the majority of people.
• Measures weight, body mass index (BMI), body fat, body water, muscle and bone mass
• Uses Bioelectrical Impedance Analysis (BIA) technology to estimate body fat, total body
water percentage, bone mass, and muscle mass in generally healthy adult (18 years of
age or older).
Working Environment Temperature: 0°C to 40°C / Humidity: ≤90% R
Low battery indication
Storage Environment Temperature: -20°C to 60°C / Humidity: 0%RH to 93% RH
Over load indication
Battery Compartment
UNIT Button
Up Key
Set Key Down Key
LCD Display
Electrode
Electrode
2
3
SCREEN/LEGEND
Kcal
Weight
Body Fat
Body Water
Muscle Mass
Bone Mass
Pound
Kilogram
Percentage
Foot
Centimeter
Male
Female
Low Battery
Stature
Age
Basal Metabolic Rate
HOW DOES THE BODY FAT SCALE WORK?
Fat is essential for human body. It can not only store energy and protect viscera, but also
regulate body temperature and maintain normal physiological function of human body.
However, too much body fat is harmful to human body. It is always accompanied by Fatty
Liver, diabetes, coronary heart disease, etc.
Therefore self-measuring and self-monitoring body fat level are beneficial to your health.
Since we can’t judge body fat level simply by our weight, this Surpahs® DS1 Body Fat
Scale, with BIA (Bio-impedance Analysis) technology applied, is an accurate device that
offers a quick and comfortable way to obtain your body fat level.
This Surpahs DS1 Body Fat Scale uses Bio Impedance Analysis (BIA) technology which
passes a small electrical current through the body to estimate body fat mass, total body
water, muscle mass, and bone mass. The electrical current is very small and may not be
felt. Contact is made with the body via four stainless steel pads on scale.
®
USE ON CARPET
1. Remove the non-slip pads from
the scales feet
2. Fit the extension
feet firmly onto the scales feet
To fit carpet feet
If this scale will be used on soft surface such as carpet or rug, please find the attached
"Carpet Feet" to install it.
Once the scale has "Carpet Feet" installed, it can be used on either soft or hard surface.
1. Remove the non-slip pads from
the scales feet
2. Fit the extension
feet firmly onto the scales feet
To fit carpet feet
4
BATTERY
• Uses 4 x AAA batteries
• Make sure the + and – sides of the batteries are aligned correctly.
• Replace batteries when the low battery indicator “Lo” is shown.
When batteries are inserted, the screen will display “8888”.
Wait until the screen display “0.0”, and it is ready to use.
UNIT SELECTION
• Default displaying unit is “lb” (pound)
• To change displaying unit, press the UNIT button locate on the back of the scale, and you
can choose UNIT from kg or lb.
INITIALIZATION
NOTE: To ensure measuring accuracy, this initialization process must be done at anytime
the scale is moved to another place, or batteries are changed.
1. Press the platform center and remove your foot.
2. “0.0” will be displayed.
3. The scale will switch off and now is ready to use.
WEIGHT-ONLY OPERATION
If you just need to measure body weight only, under this WEIGHT-ONLY mode, your
Surpahs Body Fat Scale will operate as a conventional weight-reading scale, there
are no special programming steps are required.
Once the scale is initialized, as previously described, you may simply step on the scale
to turn it on and measure your current weight only.
®
1. Place the scale on a flat, hard surface. Carpeted or uneven floors may affect accuracy.
2. Step onto the scale platform and remain still while the scale computes your weight.
3. The scale displays your weight.
4. The scale will automatically turn off in about 10 seconds if there is no operation.
USING BODY FAT SCALE
NOTE: In order to measure body fat and body mass index, you must first set up your profile
by entering your height, age and gender in the follow “SET-UP PROFILE” steps. The scale
uses these parameters to estimate your measurements.
Bare feet are required for the weight/boy fat analyzer to function properly:
Remove your shoes and socks before beginning the measurement. In order to get the most
accurate and consistent result, wipe your feet with a damp cloth, leaving them slightly damp
before stepping onto the scale. It is recommended that you measure at the same time of the
day, preferably early evening before a meal, for the most consistent results.
SET-UP PROFILE
This scale stores up to 4 user profiles (P1 to P4) in the memory, select a number (1 through 4)
as yours and save your height, age, and gender information; the scale will then use these
parameters to estimate your results.
You are recommended to setup your profile before the first use, as this eliminates the needs to
enter it again for each time you take a measurement.
5
1. Press “SET” button to turn on and enter setting menu.
2. Choose Your Profile ID.
• The system will request Profile ID selection first, touch up/down key to select your
Profile ID from P1 to P4.
• Touch “SET” key to confirm your Profile ID.
3. Set Your Gender
After Profile ID setting is confirmed, it will go to next step to select your Gender.
• Touch up/down key to select your Gender according to the blinking portrait icon .
• Touch “SET” key to confirm.
4. Set Your Height
After Gender setting is confirmed, it will go to next step to set your Height.
• Touch up/down key to increase / decrease the Height, range from 3’3.5” ft to 7’2.5” ft
or 100cm to 220cm.
• You may touch and hold the key for fast changing the numbers.
• Touch “SET” key to confirm.
5. Set Your Age
After Height setting is confirmed, it will go to next step to set your Age.
• Touch up/down key to increase / decrease the Age, range from 10 to 85.
• You may touch and hold the key for fast changing the numbers.
• Touch “SET” key to confirm.
When the scale shows “0.0”, your profile is saved. It is ready for measurement. It will turn off in
about 10s if there is no operation.
6. Repeat procedure 1 to 5 for setting additional Profiles.
FIRST MEASUREMENT
If your Profile has not been setup, please process “SET-UP PROFILE” as described above
before your first measurement.
1. After your profile is setup, step on the platform barefooted when the screen displays “0.0”.
2. Stand still and the weight data will be locked with twice blinking when the weight measuring
is stable. Keep full contact with the electrodes until the screen stop displaying a moving “o”
6
3. The measuring results will be displayed in following sequence two times:
Body Fat, Total Body Water, Muscle Mass, Bone Mass, Kcal, Weight.
And at the meanwhile, the corresponding icon lights up .The scale will turn off after
displaying the profile information.
NOTE: If it fails to complete the analysis, it will only display the body weight value.
DAILY MEASUREMENT
1. With SENSE-ON patent technology, the scale will automatically switch on as you step on
the platform.
2. Step on the platform barefooted, stand still and keep full contact with the 4 stainless steel
electrodes until the screen stop displaying the moving “o”.
3. After the weight is locked, it compares the weight with its stored profile data to identify if a
specific Profile ID (P1-P4) matched. This is based on weight difference range from -2kg to
+2kg (-4.4lb to +4.4lb).
• If it matches a Profile for you, it will skip the step of Profile selection, and display your Body
Fat, Total Body Water, Muscle Mass, Bone Mass, Kcal and Weight two times in sequence.
• If two or more Profiles are matched, press up/down key to select the right Profile, then the
results will be stored into the Profile you selected, and displays results two times in sequence.
• If there is no Profile matched, it will just go with the "WEIGHT-ONLY" mode, and displays your
weight only.
BODY FAT
1. Ideal body fat content is NOT the same for all people. Age, sex, and heredity are variables in
this measurement. The table below is a general guide. Consult your physician to determine
what is most ideal for you.
Rating
Low
Normal
Moderately High
High
Age
20-29
<13 <14 <16 <17 <18
14-20 15-21 17-23 18-24 19-25
21-23 22-24 24-26 25-27 26-28
>23 >24 >26 >27 >28
30-39 40-49 50-59 60+
Male
Rating
Low
Normal
Moderately High
High
Age
20-29
<19 <20 <21 <22 <23
20-28 21-29 22-30 23-31 24-32
29-31 30-32 31-33 32-33 33-35
>31 >32 >33 >34 >35
30-39 40-49 50-59 60+
Female
2. It is recommended to measure body fat and weight daily at the same.
3. Use this product without clothing for best accuracy. Clothes can vary in weight and affect the
calculation.
4. Feet must be bare and clean. For best results, they should also be slightly damp.
Reference:
University of Illinois Department of Food Science and Human Nutrition.
Body Fat Percentage Calculator.
www.ag.uiuc.edu/~food-lab/ai/bfc.html
7
TOTAL BODY WATER (TBW)
You must wait several hours before taking a body fat analyze when: Drinking coffee or
alcohol, taking diuretic medications, or exercising. These all affect your level of hydration and
the accuracy of your body fat analyze.
Normal healthy range of total body water (TBW) percentage table:
Men
Women
% Body Fate Range
4 to 14%
15 to 21%
22 to 24%
25 and over
4 to 20%
21 to 29%
30 to 32%
33 and over
70 to 63%
63 to 57%
57 to 55%
55 to 37%
70 to 58%
58 to 52%
52 to 49%
49 to 37%
Normal % TBW Range
Body water measurement results are influenced by the proportion of body fat and muscle. If the
proportion of body fat is high, or the proportion of muscle is low, then the body water results will
tend to below.
It is important to remember that measurements such as body weight, body fat and body water
are tools for you to use as part of your healthy lifestyle. Since short term fluctuations can be
normal, we suggest that you chart your progress over time, rather than focus on just a single
day’s reading. Consult your physician to determine what is most ideal for you.
Reference:
Derived from Wang & Deurenberg: “Hydration of fat-free body mass”. American Journal
Clin Nutr 1999,69833-841.
MUSCLE MASS
Muscle mass is important in determining a healthy body composition. A person with a higher
% of muscle mass finds it easier to move, but needs more energy to do it. Exercise is very
important in maintaining a healthy body and the muscle mass % is a useful indicator to control
it. The normal muscle mass percentage on the body weight lies between 38% and 54% for
men and between 28% and 39% for women depending on age and physical activity level.
Reference: International Commission on Radiological Protection,1975
BONE MASS
The bone mass readings given by this scale are estimation of the amount of bone in your body.
Individuals with osteoporosis or low bone densities may not get accurate. If you have any
concern regarding your bones, please consult your doctor.
Men
Women
Weight
Less then 143 lb
143 lb - 209 lb
209 lb and up
Less then 110 lb
110 lb - 165 lb
165 lb and up
5.9 lb
7.3 lb
8.1 lb
4.3 lb
5.3 lb
6.5 lb
Bone Mass
MAINTENANCE AND CARE
• Clean exposed parts with a soft, slightly, damp cloth. To remove stains, use a mild soap.
• Never use detergents, excess water, treated cloths, harsh cleaning agents, or sprays.
• Do not immerse scale in water.
• Treat your scale with care to ensure the best performance. It contains sensitive electronic
parts. Avoid rough treatment. Do not jump on, drop or kick the scale.
• Do not attempt to lubricate, disassemble, or open the scale casing as this will void warranty.
• Always weigh yourself on the same scale placed on the same floor surface.
• Do not compare weight readings from one scale to another as some differences do exist due
to manufacturing tolerances.
• Place your scale on a hard even floor to ensure the greatest accuracy and consistency.
• It is recommended that you measure at the same time of the day, preferably early evening
before a meal, for the most consistent results.
• Your scale rounds up or down to the nearest increment.
• If you weigh yourself twice and get two different results, your weight lies between the two.
• Do not dispose of batteries in fire. Batteries may explode or leak. Remove batteries from the
scale if it will not be used for a long period.
TROUBLESHOOTING
1. You must have bare feet to take measurements. In order to get the most accurate and
Consistent results, wipe your feet with a damp cloth, leaving them slightly damp before
stepping on the scale. Repeat measurements again, maintaining maximum contact between
your feet and metal sensors.
KCAL
Kcal stands for Kilo-Calories, it tells you how much Kilo-Calories you need to consume each
day to keep your body weight not gaining or losing.
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Issues Cause Solution
Overload. The scale will turn off
in a few seconds.
Stop using the scale for this
measurement, or it will damage the
G-Sensors.
Low battery. The scale will turn
off in 4 seconds.
Replace with new batteries
Cold electrodes
Either your hands or your feet
are too dry.
Place the scale in a warm room for a
while before measuring
Wipe your feet with a damp cloth, keep
them slightly damp when measuring.
Abnormal measuring
results:
- Too high;
- Too low;
- Huge difference
between recent
measurements
1. Batteries are exhausted.
2. Batteries are not installed
properly
Replace with new batteries.
Install the batteries properly
After standing on the
scale, the LCD
doesn’t light up
Batteries are not installed or
improperly installed.
Install batteries properly
Nothing display on
the screen when the
device is power on
Batteries are exhausted. Replace all the 4 batteries with new.
Step onto the platform with
socks or shoes wearing
Please keep barefooted during
measurement, and keep your foot
contact with the electrodes
Can not process
analyze on body fat,
total body water,
muscle mass, bone
mass and kcal
The scale can not identify a
possible Profile with most
similar weight
Please choose a Profile ID following the
instruction in “SET-UP PROFILE”
section
The user fails to select a Profile
from what the scale found
Please choose a Profile ID following the
instruction in “SET-UP PROFILE”
section
Low battery Replace all the 4 batteries with new.
The scale power off
automatically
This device complies with part 15 of the FCC Rules. Operation issue subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device must
accept any interference received including interference that may cause undesired operation.
APPENDIX
Guidance and manufacturer’s declaration – electromagnetic emissions
RF emissions
CISPR 11
Group 1
Class B
Not applicable
Not applicable
Compliance
The device is intended for use in the electromagnetic environment specified below. The
customer or the user of the device should assure that it is used in such an environment.
Harmonic emissions
IEC 61000-3-2
Voltage fluctuations/
flicker emissions IEC
61000-3-3
RF emissions
CISPR 11
Emissions test Electromagnetic environment - guidance
The device uses RF energy only for its
internal function. Therefore, its RF
emissions are very low and are not likely
to cause any interference in nearby
electronic equipment.
EMC Guidance
Table 1 Guidance and MANUFACTURER’s declaration – ELECTROMAGNETIC
EMISSIONS- for all ME EQUIPMENT and ME SYSTEMS
FCC REGULATIONS
2. The condition of the skin on the bottom of your feet can affect the results. The natural effects
of aging activity can make the skin hard. Take the reading with clean and slightly damp feet
for best accuracy.
9
Guidance and manufacturer’s declaration – electromagnetic immunity
IMMUNITY test
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
IEC 60601 test level Compliance level
Electrostatic
discharge (ESD)
IEC 61000-4-2
Electromagnetic
environment - guidance
Floors should be wood,
concrete or ceramic tile. If
floors are covered with
synthetic material, the
relative humidity should be
at least 30%.
The device is intended for use in the electromagnetic environment specified below.
The customer or the user of the device should assure that it is used in such an environment
±2 kV for
power supply lines
Not applicable
±1 kV line(s)
to line(s)
±2 kV line(s)
to earth
Electrical fast
transient/burst
IEC 61000-4-4
Surge IEC
61000-4-5
±1 kV for
input/output lines
Not applicable
Mains power quality should
be that of a typical
commercial or hospital
environment.
Mains power quality should
be that of a typical
commercial or hospital
environment.
<5% U
T
(>95% dip in U
T
)
for 0.5 cycle
40% U
T
(60% dip in U
T
)
for 5 cycles
70% U
T
(30% dip in U
T
)
for 25 cycles
<5% U
T
(>95% dip in U
T
)
for 5 s
3A/m
NOTE U
T
is the a.c. mains voltage prior to application of the test level.
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
3A/m
Power frequency
(50/60Hz)
magnetic field
IEC 61000-4-8
Voltage dips,
short interruptions
and voltage
variations on
power supply
input lines
IEC 61000-4-11
Not applicable
Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of
the device requires
continued operation during
power mains interruptions,
it is recommended that the
device be powered from an
uninterruptible power supply
or a battery.
Table 2 Guidance and MANUFACTURER’s declaration – electromagnetic
IMMUNITY – for all ME EQUIPMENT and ME SYSTEMS
Table 4 Guidance and MANUFACTURER’s declaration – electromagnetic IMMUNITY –
for ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING
Guidance and manufacturer’s declaration – electromagnetic immunity
IMMUNITY test
Not applicable
3 V/m
Compliance
level
IEC 60601
TEST LEVEL
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 V/m
80 MHz to
2.5 GHz
3 Vrms
150 kHz to
80 MHz
Electromagnetic environment -
guidance
Portable and mobile RF communications
equipment should be used no closer to
any part of the device, including
cables, than the recommended
separation distance calculated from the
equation applicable to the frequency of
the transmitter.
Recommended separation distance
The device is intended for use in the electromagnetic environment specified below.
The customer or the user of the device should assure that it is used in such an environment.
where P is the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufacturer
and d is the recommended separation
distance in metres (m).
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey, should be
less than the compliance level in each
frequency range.
Interference may occur in the vicinity of
equipment marked with the following
symbol:
P
V
=d ]
5,3
[
1
P=d
80
MHz to 800 MHz
P=d 2.333
800 MHz to 2,5 GHz
1.167
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic
propagation is affected by absorption and reflection from structures, objects
and people.
a
Field strengths from fixed transmitters, such as base stations for radio (cellular /
cordless) telephones and land mobile radios, amateur radio, AM and FM radio broad-
cast and TV broadcast cannot be predicted theoretically with accuracy. To assess the
electromagnetic environment due to fixed RF transmitters, an electromagnetic site
survey should be considered. If the measured field strength in the location in which
the device is used exceeds the applicable RF compliance level above, the device
should be observed to verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as re-orienting or relocating the device.
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than
[ ]V/m.
b
V
1
10
WARRANTY
This product is warranted against defects in materials and workmanship for one year from the
date purchase, when used in accordance with the instructions provided. This warranty does
not cover damages or wear resulting from accident, misuse, abuse, commercial use, or
unauthorized adjustment and/or repair.
C8KE INC. shall not be liable for loss of use or any other incidental, consequential or indirect
costs, expenses or damages. There are no express warranties except as listed above. This
warranty gives you specific legal rights, and you may have other rights which vary from state
to state.
Should this product require service (or replacement at our option) while under warranty,
please visit website www.surpahs.com and submit a support ticket.
If you have any questions about this product, please visit www.surpahs.com, or scan the QR
code, find the support link.
Surpahs , C8KE INC.
DE 19809, USA
www.surpahs.com
150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2.5 GHz
Table 6 Recommended separation distances between portable and mobile
RF communications equipment and the ME EQUIPMENT or ME SYSTEM –
for ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING
Recommended separation distances
between portable and mobile RF communications equipment and the device.
The device is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the devicecan help prevent
electromagnetic interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmittters) and the device as recommended
below, according to the maximum output power of the communications equipment.
Rated maximum output
power of transmitter
(W)
Separation distance according to frequency of transmitter (m)
For transmitters rated at a maximum output power not listed above, the recommended
separation distance d in metres (m) can be estimated using the equation applicable to
the frequency of the transmitter, where P is the maximum output power rating of the
transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1 At 80MHz and 800MHz, the separation distance for the higher frequency
range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation
is affected by absorption and reflection from structures, objects and people.
0.01
0.1
1
10
100
Not applicable 0.117
0.369
1.167
3.690
11.67
0.233
0.738
2.333
7.378
23.33
P
V
=d ]
5,3
[
1
P=d 1.167
2.333
P=d
Not applicable
Not applicable
Not applicable
Not applicable
®
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